I can be found in the ground, yet I am not a plant. I am necessary for life but can also be toxic. What am I?
Category: Science · Difficulty: medium
Hint: Think about what makes up the earth.
Answer
Minerals
Explanation
Minerals are essential for various biological processes but can be harmful in excess.
This is a medium science riddle — a moderate challenge for most people. The answer is Minerals.
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